It is a flexible aluminium and polyester laminated tube with an encapsulated steel frame for air extraction and induction. Easy to install and very economical, it is supplied in individual packages containing 10 or 5 metres of tube. It is manufactured in all sizes for extractors. Product manufactured in Europe. Sizes: 102, 127, 152, 203, 254 and 315 mm. For other sizes, please consult.